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OBC Amber 10-25 Group Brew

Method: All Grain
Style: American Amber Ale
Boil Time: 90 min
Batch Size: 4.5 gallons (fermentor volume)
Pre Boil Size: 7.4 gallons
Post Boil Size: 5.76 gallons
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.058 (recipe based estimate)
Efficiency: 61% (brew house)
Hop Utilization: 99%
Calories: 192 calories (Per 12oz)
Carbs: 19.5 g (Per 12oz)

Created: Wednesday October 8th 2025

NB American Amber Ale

by west1m

OG: 1.052 FG: 1.012 ABV: 5.2% IBU: 39

Sierra Amber

by west1m

OG: 1.054 FG: 1.013 ABV: 5.3% IBU: 43

Original Gravity:

1.058

Final Gravity:

1.014

ABV (standard):

5.7%

IBU (tinseth):

41.8

SRM (morey):

9.3

Mash pH

5.2

Cost $

16.87

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
2.86 lb	Weyermann - Munich Type I2.86 lb Munich Type I		38	6	24.5%
1.23 lb	American - Caramel / Crystal 15L1.23 lb Caramel / Crystal 15L		35	15	10.5%
0.41 lb	Briess - Special Roast0.41 lb Special Roast		33	40	3.5%
6.67 lb	Belgian - Pilsner6.67 lb Belgian - Pilsner	$ 2.40 / lb $ 16.01	37	1.6	57.2%
0.49 lb	German - Acidulated Malt0.49 lb German - Acidulated Malt	$ 1.75 / lb $ 0.86	27	3.4	4.2%
11.66 lbs / $ 16.87

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.82 oz	East Kent Goldings0.82 oz East Kent Goldings Hops	Pellet	5	Boil	60 min	17.95	33.3%
0.41 oz	Hallertau Mittelfruh0.41 oz Hallertau Mittelfruh Hops	Pellet	3.75	Boil	60 min	6.73	16.7%
0.82 oz	East Kent Goldings0.82 oz East Kent Goldings Hops	Pellet	5	Boil	30 min	13.8	33.3%
0.41 oz	Hallertau Mittelfruh0.41 oz Hallertau Mittelfruh Hops	Pellet	3.75	Boil	15 min	3.34	16.7%
2.46 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1.64 oz	East Kent Goldings (Pellet)	31.75	66.6%
0.82 oz	Hallertau Mittelfruh (Pellet)	10.07	33.4%
2.46 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.5 gal			150 °F	150 °F	60 min
Starting Mash Thickness: 1.75 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
0.82 tsp	Irish Moss	Fining	Boil	15 min.
2.05 g	Calcium Chloride (anhydrous)	Water Agt	Mash	1 hr.
3.68 g	Epsom Salt	Water Agt	Mash	1 hr.
6.55 g	Gypsum	Water Agt	Mash	1 hr.
0.82 g	Salt	Water Agt	Mash	1 hr.
2.78 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

Imperial Yeast - A07 Flagship

Amount:	1.64 Each	Cost:
Attenuation (avg):	73%	Flocculation:	Medium-low
Optimum Temp:	60 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 85 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.65 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Gypsum Calcium Chloride Epsom Salt Magnesium Chloride Canning Salt Baking Soda Chalk Pickling Lime per Litre 0.273g 0.085g 0.149g 0.000g 0.036g 0.112g 0.000g 0.000g Total (to treat 30.00L) 8.18g 2.54g 4.46g 0.00g 1.08g 3.36g 0.00g 0.00g
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Public: Yup, Shared
Last Updated: 2025-10-08 23:00 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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